Home / 1,816,719.48-2,507,140.62-1,011,955.32

Finding the Fourth Proportional to 1,816,719.48, 2,507,140.62 and 1,011,955.32

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Solution

The fourth proportional to 1,816,719.48, 2,507,140.62 and 1,011,955.32 is: 1,396,536.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,719.48 : 2,507,140.62 = 1,011,955.32 : x
  2. Step 2: Convert to fraction form
    1,816,719.48/2,507,140.62 = 1,011,955.32/x
  3. Step 3: Cross multiply
    1,816,719.48x = 2,507,140.62 × 1,011,955.32
  4. Step 4: Simplify right side
    1,816,719.48x = 2,537,114,288,397.10
  5. Step 5: Solve for x
    x = 2,537,114,288,397.10/1,816,719.48
  6. Step 6: Final answer
    x = 1,396,536.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.